<template>
  <div>
    <m-header></m-header>
   <tab></tab>
    <div class="recommend" ref="recommend">
        <scroll class="recommend-content" :data="discList" ref="scroll">
          <div>
            <div class="slider-wrapper" v-if="recommends.length">
                <slider>
                    <div v-for="item in recommends" :key="item.id">
                        <a :href="item.linkUrl">
                          <!-- 当fastclick与scroll点击⌚冲突时，只需要在点击元素上加上class="needsclick" -->
                            <img :src="item.picUrl" alt="图片" @load="loadImage" class="needsclick">
                        </a>
                    </div>
                </slider>
            </div>
          <div class="recommend-list">
            <h1 class="list-title">热门歌单推荐</h1>
            <ul>
              <li  v-for="item in discList" class="item" :key="item.id">
                <div class="icon">
                  <img width="60" height="60" v-lazy="item.imgurl">
                </div>
                <div class="text">
                  <h2 class="name">{{ item.creator.name }}</h2>
                  <p class="desc">{{ item.dissname }}</p>
                </div>
              </li>
            </ul>
          </div>
        </div>
        <div class="loading-container" v-show="!discList.length">
          <loading></loading>
        </div>
      </scroll>
        <router-view></router-view>
    </div>
  </div>
</template>

<script type="text/ecmascript-6">
import Slider from 'base/slider/slider'
import Loading from 'base/loading/loading'
import Scroll from 'base/scroll/scroll'
import { getRecommend } from 'api/recommend'
import MHeader from 'components/m-header/m-header'
import tab from 'components/tab/tab'
//   import {playlistMixin} from 'common/js/mixin'
import { ERR_OK } from 'api/config'
//   import {mapMutations} from 'vuex'

export default {
  // mixins: [playlistMixin],
  data () {
    return {
      recommends: [],
      discList: [],
      checkLoaded: false // 图片有渲染出来的开关
    }
  },
  created () {
    this._getRecommend()
    this._getDiscList()
  },
  methods: {
    _getRecommend () {
      getRecommend().then(res => {
        if (res.code === ERR_OK) {
          this.recommends = res.data.slider
        }
      })
    },
    // 歌单列表数据
    _getDiscList () {
      this.$axios
        .get(
          'https://easy-mock.com/mock/5af02a197e4d457205719f48/musicList/music'
        )
        .then(res => {
          if (res.data.code === ERR_OK) {
            this.discList = res.data.data.list
          }
        })
    }, // 图片加载后就去刷新
    loadImage () {
      // 如果有一张图片渲染出来就说明有高度啦，刷新一次就行
      if (!this.checkLoaded) this.$refs.scroll.refresh()
      this.checkLoaded = true
    }
  },
  components: {
    Slider,
    Loading,
    Scroll,
    MHeader,
    tab
  }
}
</script>

<style scoped lang="stylus" rel="stylesheet/stylus">
@import '~common/stylus/variable'

.recommend {
  position: fixed;
  width: 100%;
  top: 88px;
  bottom: 0;

  .recommend-content {
    height: 100%;
    overflow: hidden;

    .slider-wrapper {
      position: relative;
      width: 100%;
      overflow: hidden;
    }

    .recommend-list {
      .list-title {
        height: 65px;
        line-height: 65px;
        text-align: center;
        font-size: $font-size-medium;
        color: $color-theme;
      }

      .item {
        display: flex;
        box-sizing: border-box;
        align-items: center;
        padding: 0 20px 20px 20px;

        .icon {
          flex: 0 0 60px;
          width: 60px;
          padding-right: 20px;
        }

        .text {
          display: flex;
          flex-direction: column;
          justify-content: center;
          flex: 1;
          line-height: 20px;
          overflow: hidden;
          font-size: $font-size-medium;

          .name {
            margin-bottom: 10px;
            color: $color-text;
          }

          .desc {
            color: $color-text-d;
          }
        }
      }
    }

    .loading-container {
      position: absolute;
      width: 100%;
      top: 50%;
      transform: translateY(-50%);
    }
  }
}
</style>